US Bridges

SR1121 over Country Line Creek

Fair

Caswell County, North Carolina · 0.01 Mi. S. Jct. SR1122 · Structure no. 000000000330075

Built
1954
71 years old, rebuilt 1983
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
36 ft
2 main spans
Daily traffic
370
2000 count
Owner
State
State Highway Agency

About this bridge

SR1121 over Country Line Creek is a steel continuous stringer/multi-beam or girder carrying SR1121 over Country Line Creek in Caswell County, North Carolina. It was built in 1954 and reconstructed in 1983, so it is 71 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 370 vehicles a day, roughly 6% of them trucks, projected to reach 740 by 2040. The structure is 36 ft (10.9 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1121
CrossesCountry Line Creek
Location0.01 Mi. S. Jct. SR1122
RouteState Highway 1121
Coordinates36.37716, -79.37895
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating64.9 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span18 ft (5.4 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2000)
Projected traffic740 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1121 over Country Line Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1983.

What condition is SR1121 over Country Line Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does SR1121 over Country Line Creek carry?

About 370 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1121 over Country Line Creek?

The structure is 36 ft (10.9 m) long with a longest span of 18 ft (5.4 m) and a deck 25 ft wide.

Who owns SR1121 over Country Line Creek?

It is owned by the State Highway Agency.